*
* VMS-specific C header file for perl5.
*
- * Last revised: 01-Oct-1995 by Charles Bailey bailey@genetics.upenn.edu
- * Version: 5.1.6
+ * Last revised: 18-Feb-1997 by Charles Bailey bailey@genetics.upenn.edu
+ * Version: 5.3.28
*/
#ifndef __vmsish_h_included
#include <libdef.h> /* status codes for various places */
#include <rmsdef.h> /* at which errno and vaxc$errno are */
#include <ssdef.h> /* explicitly set in the perl source code */
+#include <stsdef.h> /* bitmasks for exit status testing */
/* Suppress compiler warnings from DECC for VMS-specific extensions:
- * GLOBALEXT, NOSHAREEXT: global[dr]ef declarations
- * ADDRCONSTEXT: initialization of data with non-constant values
- * (e.g. pointer fields of descriptors)
- */
-#ifdef __DECC
-# pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT)
-#endif
-
-/* Suppress compiler warnings from DECC for VMS-specific extensions:
- * GLOBALEXT, NOSHAREEXT: global[dr]ef declarations
* ADDRCONSTEXT,NEEDCONSTEXT: initialization of data with non-constant values
* (e.g. pointer fields of descriptors)
*/
#ifdef __DECC
-# pragma message disable (GLOBALEXT,NOSHAREEXT,ADDRCONSTEXT,NEEDCONSTEXT)
+# pragma message disable (ADDRCONSTEXT,NEEDCONSTEXT)
#endif
/* DEC's C compilers and gcc use incompatible definitions of _to(upp|low)er() */
#include <unixio.h>
#include <unixlib.h>
#include <file.h> /* it's not <sys/file.h>, so don't use I_SYS_FILE */
+#if defined(__DECC) && defined(__DECC_VER) && __DECC_VER > 20000000
+# include <unistd.h> /* DECC has this; VAXC and gcc don't */
+#endif
+
+/* VAXC doesn't have a unary plus operator, so we need to get there indirectly */
+#if defined(VAXC) && !defined(__DECC)
+# define NO_UNARY_PLUS
+#endif
+
+#ifdef NO_PERL_TYPEDEFS /* a2p; we don't want Perl's special routines */
+# define DONT_MASK_RTL_CALLS
+#endif
+
+ /* defined for vms.c so we can see CRTL | defined for a2p */
+#ifndef DONT_MASK_RTL_CALLS
+# ifdef getenv
+# undef getenv
+# endif
+# define getenv(v) my_getenv(v) /* getenv used for regular logical names */
+#endif
+
+/* DECC introduces this routine in the RTL as of VMS 7.0; for now,
+ * we'll use ours, since it gives us the full VMS exit status. */
+#define waitpid my_waitpid
+
+/* Don't redeclare standard RTL routines in Perl's header files;
+ * VMS history or extensions makes some of the formal protoypes
+ * differ from the common Unix forms.
+ */
+#define DONT_DECLARE_STD 1
/* Our own contribution to PerlShr's global symbols . . . */
#ifdef EMBED
# define my_trnlnm Perl_my_trnlnm
# define my_getenv Perl_my_getenv
+# define prime_env_iter Perl_prime_env_iter
+# define my_setenv Perl_my_setenv
# define my_crypt Perl_my_crypt
-# define waitpid Perl_waitpid
+# define my_waitpid Perl_my_waitpid
# define my_gconvert Perl_my_gconvert
# define do_rmdir Perl_do_rmdir
# define kill_file Perl_kill_file
+# define my_mkdir Perl_my_mkdir
# define my_utime Perl_my_utime
+# define rmsexpand Perl_rmsexpand
+# define rmsexpand_ts Perl_rmsexpand_ts
# define fileify_dirspec Perl_fileify_dirspec
# define fileify_dirspec_ts Perl_fileify_dirspec_ts
# define pathify_dirspec Perl_pathify_dirspec
# define tounixpath_ts Perl_tounixpath_ts
# define tovmspath Perl_tovmspath
# define tovmspath_ts Perl_tovmspath_ts
-# define getredirection Perl_getredirection
+# define vms_image_init Perl_vms_image_init
# define opendir Perl_opendir
# define readdir Perl_readdir
# define telldir Perl_telldir
# define seekdir Perl_seekdir
# define closedir Perl_closedir
# define vmsreaddirversions Perl_vmsreaddirversions
-# define getredirection Perl_getredirection
# define my_gmtime Perl_my_gmtime
+# define my_localtime Perl_my_localtime
+# define my_time Perl_my_time
+# define my_sigemptyset Perl_my_sigemptyset
+# define my_sigfillset Perl_my_sigfillset
+# define my_sigaddset Perl_my_sigaddset
+# define my_sigdelset Perl_my_sigdelset
+# define my_sigismember Perl_my_sigismember
+# define my_sigprocmask Perl_my_sigprocmask
# define cando_by_name Perl_cando_by_name
# define flex_fstat Perl_flex_fstat
# define flex_stat Perl_flex_stat
# define trim_unixpath Perl_trim_unixpath
+# define my_vfork Perl_my_vfork
# define vms_do_aexec Perl_vms_do_aexec
# define vms_do_exec Perl_vms_do_exec
# define do_aspawn Perl_do_aspawn
# define do_spawn Perl_do_spawn
# define my_fwrite Perl_my_fwrite
+# define my_flush Perl_my_flush
+# define my_binmode Perl_my_binmode
# define my_getpwnam Perl_my_getpwnam
# define my_getpwuid Perl_my_getpwuid
# define my_getpwent Perl_my_getpwent
/* Delete if at all possible, changing protections if necessary. */
#define unlink kill_file
-/* The VMS C RTL has vfork() but not fork(). Both actually work in a way
- * that's somewhere between Unix vfork() and VMS lib$spawn(), so it's
- * probably not a good idea to use them much. That said, we'll try to
- * use vfork() in either case.
+/*
+ * Intercept calls to fork, so we know whether subsequent calls to
+ * exec should be handled in VMSish or Unixish style.
*/
-#define fork vfork
+#define fork my_vfork
+#ifndef DONT_MASK_RTL_CALLS /* #defined in vms.c so we see real vfork */
+# ifdef vfork
+# undef vfork
+# endif
+# define vfork my_vfork
+#endif
+
+/* BIG_TIME:
+ * This symbol is defined if Time_t is an unsigned type on this system.
+ */
+#define BIG_TIME
+
+/* ACME_MESS:
+ * This symbol, if defined, indicates that error messages should be
+ * should be generated in a format that allows the use of the Acme
+ * GUI/editor's autofind feature.
+ */
+#undef ACME_MESS /**/
+
+/* ALTERNATE_SHEBANG:
+ * This symbol, if defined, contains a "magic" string which may be used
+ * as the first line of a Perl program designed to be executed directly
+ * by name, instead of the standard Unix #!. If ALTERNATE_SHEBANG
+ * begins with a character other then #, then Perl will only treat
+ * it as a command line if if finds the string "perl" in the first
+ * word; otherwise it's treated as the first line of code in the script.
+ * (IOW, Perl won't hand off to another interpreter via an alternate
+ * shebang sequence that might be legal Perl code.)
+ */
+#define ALTERNATE_SHEBANG "$"
/* Macros to set errno using the VAX thread-safe calls, if present */
#if (defined(__DECC) || defined(__DECCXX)) && !defined(__ALPHA)
# define set_errno(v) (cma$tis_errno_set_value(v))
+ void cma$tis_errno_set_value(int __value); /* missing in some errno.h */
# define set_vaxc_errno(v) (vaxc$errno = (v))
#else
# define set_errno(v) (errno = (v))
# define set_vaxc_errno(v) (vaxc$errno = (v))
#endif
+/* Support for 'vmsish' behaviors enabled with C<use vmsish> pragma */
+
+#define COMPLEX_STATUS 1 /* We track both "POSIX" and VMS values */
+
+#define HINT_V_VMSISH 24
+#define HINT_M_VMSISH_STATUS 0x01000000 /* system, $? return VMS status */
+#define HINT_M_VMSISH_EXIT 0x02000000 /* exit(1) ==> SS$_NORMAL */
+#define HINT_M_VMSISH_TIME 0x04000000 /* times are local, not UTC */
+#define NATIVE_HINTS (hints >> HINT_V_VMSISH) /* used in op.c */
+
+#define TEST_VMSISH(h) (curcop->op_private & ((h) >> HINT_V_VMSISH))
+#define VMSISH_STATUS TEST_VMSISH(HINT_M_VMSISH_STATUS)
+#define VMSISH_EXIT TEST_VMSISH(HINT_M_VMSISH_EXIT)
+#define VMSISH_TIME TEST_VMSISH(HINT_M_VMSISH_TIME)
+
/* Handy way to vet calls to VMS system services and RTL routines. */
#define _ckvmssts(call) STMT_START { register unsigned long int __ckvms_sts; \
if (!((__ckvms_sts=(call))&1)) { \
croak("Fatal VMS error (status=%d) at %s, line %d", \
__ckvms_sts,__FILE__,__LINE__); } } STMT_END
+/* Same thing, but don't call back to Perl's croak(); useful for errors
+ * occurring during startup, before Perl's state is initialized */
+#define _ckvmssts_noperl(call) STMT_START { register unsigned long int __ckvms_sts; \
+ if (!((__ckvms_sts=(call))&1)) { \
+ set_errno(EVMSERR); set_vaxc_errno(__ckvms_sts); \
+ fprintf(Perl_debug_log,"Fatal VMS error (status=%d) at %s, line %d", \
+ __ckvms_sts,__FILE__,__LINE__); lib$signal(__ckvms_sts); } } STMT_END
+
#ifdef VMS_DO_SOCKETS
#include "sockadapt.h"
#endif
#define BIT_BUCKET "_NLA0:"
-#define PERL_SYS_INIT(c,v) getredirection((c),(v))
-#define PERL_SYS_TERM()
-#define dXSUB_SYS int dummy
+#define PERL_SYS_INIT(c,v) vms_image_init((c),(v)); MALLOC_INIT
+#define PERL_SYS_TERM() MALLOC_TERM
+#define dXSUB_SYS
#define HAS_KILL
#define HAS_WAIT
#define HAS_KILL
#define HAS_WAIT
+/* USEMYBINMODE
+ * This symbol, if defined, indicates that the program should
+ * use the routine my_binmode(FILE *fp, char iotype) to insure
+ * that a file is in "binary" mode -- that is, that no translation
+ * of bytes occurs on read or write operations.
+ */
+#define USEMYBINMODE
+
+/* Stat_t:
+ * This symbol holds the type used to declare buffers for information
+ * returned by stat(). It's usually just struct stat. It may be necessary
+ * to include <sys/stat.h> and <sys/types.h> to get any typedef'ed
+ * information.
+ */
+/* VMS:
+ * We need this typedef to point to the new type even if DONT_MASK_RTL_CALLS
+ * is in effect, since Perl's thread.h embeds one of these structs in its
+ * thread data struct, and our struct mystat is a different size from the
+ * regular struct stat (cf. note above about having to pad struct to work
+ * around bug in compiler.)
+ * It's OK to pass one of these to the RTL's stat(), though, since the
+ * fields it fills are the same in each struct.
+ */
+#define Stat_t struct mystat
+
+/* USE_STAT_RDEV:
+* This symbol is defined if this system has a stat structure declaring
+* st_rdev
+* VMS: Field exists in POSIXish version of struct stat(), but is not used.
+*/
+#undef USE_STAT_RDEV /**/
+
/*
* fwrite1() should be a routine with the same calling sequence as fwrite(),
* but which outputs all of the bytes requested as a single stream (unlike
*/
#define fwrite1 my_fwrite
+/* By default, flush data all the way to disk, not just to RMS buffers */
+#define Fflush(fp) my_flush(fp)
+
/* Use our own rmdir() */
#define rmdir(name) do_rmdir(name)
/* Assorted fiddling with sigs . . . */
# include <signal.h>
#define ABORT() abort()
+ /* VAXC's signal.h doesn't #define SIG_ERR, but provides BADSIG instead. */
+#if !defined(SIG_ERR) && defined(BADSIG)
+# define SIG_ERR BADSIG
+#endif
+
/* Used with our my_utime() routine in vms.c */
struct utimbuf {
};
#define utime my_utime
-/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS */
+/* This is what times() returns, but <times.h> calls it tbuffer_t on VMS
+ * prior to v7.0. We check the DECC manifest to see whether it's already
+ * done this for us, relying on the fact that perl.h #includes <time.h>
+ * before it #includes "vmsish.h".
+ */
-struct tms {
- clock_t tms_utime; /* user time */
- clock_t tms_stime; /* system time - always 0 on VMS */
- clock_t tms_cutime; /* user time, children */
- clock_t tms_cstime; /* system time, children - always 0 on VMS */
-};
+#ifndef __TMS
+ struct tms {
+ clock_t tms_utime; /* user time */
+ clock_t tms_stime; /* system time - always 0 on VMS */
+ clock_t tms_cutime; /* user time, children */
+ clock_t tms_cstime; /* system time, children - always 0 on VMS */
+ };
+#else
+ /* The new headers change the times() prototype to tms from tbuffer */
+# define tbuffer_t struct tms
+#endif
-/* Prior to VMS 7.0, the CRTL gmtime() routine was a stub which always
- * returned NULL. Substitute our own routine, which uses the logical
- * SYS$TIMEZONE_DIFFERENTIAL, whcih the native UTC support routines
- * in VMS 6.0 or later use.*
+/* Substitute our own routines for gmtime(), localtime(), and time(),
+ * which allow us to implement the vmsish 'time' pragma, and work
+ * around absence of system-level UTC support on old versions of VMS.
*/
#define gmtime(t) my_gmtime(t)
+#define localtime(t) my_localtime(t)
+#define time(t) my_time(t)
+
+/* If we're using an older version of VMS whose Unix signal emulation
+ * isn't very POSIXish, then roll our own.
+ */
+#if __VMS_VER < 70000000 || __DECC_VER < 50200000
+# define HOMEGROWN_POSIX_SIGNALS
+#endif
+#ifdef HOMEGROWN_POSIX_SIGNALS
+# define sigemptyset(t) my_sigemptyset(t)
+# define sigfillset(t) my_sigfillset(t)
+# define sigaddset(t, u) my_sigaddset(t, u)
+# define sigdelset(t, u) my_sigdelset(t, u)
+# define sigismember(t, u) my_sigismember(t, u)
+# define sigprocmask(t, u, v) my_sigprocmask(t, u, v)
+# ifndef _SIGSET_T
+ typedef int sigset_t;
+# endif
+ /* The tools for sigprocmask() are there, just not the routine itself */
+# ifndef SIG_UNBLOCK
+# define SIG_UNBLOCK 1
+# endif
+# ifndef SIG_BLOCK
+# define SIG_BLOCK 2
+# endif
+# ifndef SIG_SETMASK
+# define SIG_SETMASK 3
+# endif
+# define sigaction sigvec
+# define sa_flags sv_onstack
+# define sa_handler sv_handler
+# define sa_mask sv_mask
+# define sigsuspend(set) sigpause(*set)
+# define sigpending(a) (not_here("sigpending"),0)
+#endif
/* VMS doesn't use a real sys_nerr, but we need this when scanning for error
* messages in text strings . . .
/* Look up new %ENV values on the fly */
#define DYNAMIC_ENV_FETCH 1
#define ENV_HV_NAME "%EnV%VmS%"
+ /* Special getenv function for retrieving %ENV elements. */
+#define ENV_getenv(v) my_getenv(v)
+
/* Thin jacket around cuserid() tomatch Unix' calling sequence */
#define getlogin my_getlogin
/* Ditto for sys$hash_passwrod() . . . */
#define crypt my_crypt
+/* Tweak arg to mkdir first, so we can tolerate trailing /. */
+#define Mkdir(dir,mode) my_mkdir((dir),(mode))
+
/* Use our own stat() clones, which handle Unix-style directory names */
#define Stat(name,bufptr) flex_stat(name,bufptr)
#define Fstat(fd,bufptr) flex_fstat(fd,bufptr)
-/* By default, flush data all the way to disk, not just to RMS buffers */
-#define Fflush(fp) ((fflush(fp) || fsync(fileno(fp))) ? EOF : 0)
-
/* Setup for the dirent routines:
* opendir(), closedir(), readdir(), seekdir(), telldir(), and
* vmsreaddirversions(), and preprocessor stuff on which these depend:
* Written by Rich $alz, <rsalz@bbn.com> in August, 1990.
- * This code has no copyright.
*/
/* Data structure returned by READDIR(). */
struct dirent {
char st_fab_rat; /* record attributes */
char st_fab_fsz; /* fixed header size */
unsigned st_dev; /* encoded device name */
+ /* Pad struct out to integral number of longwords, since DECC 5.6/VAX
+ * has a bug in dealing with offsets in structs in which are embedded
+ * other structs whose size is an odd number of bytes. (An even
+ * number of bytes is enough to make it happy, but we go for natural
+ * alignment anyhow.)
+ */
+ char st_fill1[sizeof(void *) - (3*sizeof(unsigned short) + 3*sizeof(char))%sizeof(void *)];
};
-#define stat mystat
typedef unsigned mydev_t;
-#define dev_t mydev_t
typedef unsigned myino_t;
-#define ino_t myino_t
+#ifndef DONT_MASK_RTL_CALLS /* defined for vms.c so we can see RTL calls */
+# ifdef stat
+# undef stat
+# endif
+# define stat mystat
+# define dev_t mydev_t
+# define ino_t myino_t
+#endif
#if defined(__DECC) || defined(__DECCXX)
# pragma __member_alignment __restore
#endif
* __VMS_PROTOTYPES__ and __VMS_SEPYTOTORP__ lines, and must be in the form
* <data type><TAB>name<WHITESPACE>_((<prototype args>));
*/
+
+#ifdef NO_PERL_TYPEDEFS
+ /* We don't have Perl typedefs available (e.g. when building a2p), so
+ we fake them here. N.B. There is *no* guarantee that the faked
+ prototypes will actually match the real routines. If you want to
+ call Perl routines, include perl.h to get the real typedefs. */
+# ifndef bool
+# define bool int
+# define __MY_BOOL_TYPE_FAKE
+# endif
+# ifndef I32
+# define I32 int
+# define __MY_I32_TYPE_FAKE
+# endif
+# ifndef SV
+# define SV void /* Since we only see SV * in prototypes */
+# define __MY_SV_TYPE_FAKE
+# endif
+#endif
+
+void prime_env_iter _((void));
+void init_os_extras _(());
/* prototype section start marker; `typedef' passes through cpp */
typedef char __VMS_PROTOTYPES__;
int my_trnlnm _((char *, char *, unsigned long int));
char * my_getenv _((char *));
char * my_crypt _((const char *, const char *));
-unsigned long int waitpid _((unsigned long int, int *, int));
+Pid_t my_waitpid _((Pid_t, int *, int));
char * my_gconvert _((double, int, int, char *));
int do_rmdir _((char *));
int kill_file _((char *));
+int my_mkdir _((char *, Mode_t));
int my_utime _((char *, struct utimbuf *));
+char * rmsexpand _((char *, char *, char *, unsigned));
+char * rmsexpand_ts _((char *, char *, char *, unsigned));
char * fileify_dirspec _((char *, char *));
char * fileify_dirspec_ts _((char *, char *));
char * pathify_dirspec _((char *, char *));
char * tounixpath_ts _((char *, char *));
char * tovmspath _((char *, char *));
char * tovmspath_ts _((char *, char *));
-void getredirection _(());
+void vms_image_init _((int *, char ***));
DIR * opendir _((char *));
struct dirent * readdir _((DIR *));
long telldir _((DIR *));
void seekdir _((DIR *, long));
void closedir _((DIR *));
void vmsreaddirversions _((DIR *, int));
-void getredirection _((int *, char ***));
-struct tm *my_gmtime _((const time_t *));
+struct tm * my_gmtime _((const time_t *));
+struct tm * my_localtime _((const time_t *));
+time_t my_time _((time_t *));
+#ifdef HOMEGROWN_POSIX_SIGNALS
+int my_sigemptyset _((sigset_t *));
+int my_sigfillset _((sigset_t *));
+int my_sigaddset _((sigset_t *, int));
+int my_sigdelset _((sigset_t *, int));
+int my_sigismember _((sigset_t *, int));
+int my_sigprocmask _((int, sigset_t *, sigset_t *));
+#endif
I32 cando_by_name _((I32, I32, char *));
-int flex_fstat _((int, struct stat *));
-int flex_stat _((char *, struct stat *));
-int trim_unixpath _((char *, char*));
+int flex_fstat _((int, Stat_t *));
+int flex_stat _((char *, Stat_t *));
+int trim_unixpath _((char *, char*, int));
+int my_vfork _(());
bool vms_do_aexec _((SV *, SV **, SV **));
bool vms_do_exec _((char *));
-unsigned long int do_aspawn _((SV *, SV **, SV **));
+unsigned long int do_aspawn _((void *, void **, void **));
unsigned long int do_spawn _((char *));
int my_fwrite _((void *, size_t, size_t, FILE *));
+int my_flush _((FILE *));
+FILE * my_binmode _((FILE *, char));
struct passwd * my_getpwnam _((char *name));
struct passwd * my_getpwuid _((Uid_t uid));
struct passwd * my_getpwent _(());
void my_endpwent _(());
char * my_getlogin _(());
int rmscopy _((char *, char *, int));
-void init_os_extras _(());
typedef char __VMS_SEPYTOTORP__;
/* prototype section end marker; `typedef' passes through cpp */
+#ifdef NO_PERL_TYPEDEFS /* We'll try not to scramble later files */
+# ifdef __MY_BOOL_TYPE_FAKE
+# undef bool
+# undef __MY_BOOL_TYPE_FAKE
+# endif
+# ifdef __MY_I32_TYPE_FAKE
+# undef I32
+# undef __MY_I32_TYPE_FAKE
+# endif
+# ifdef __MY_SV_TYPE_FAKE
+# undef SV
+# undef __MY_SV_TYPE_FAKE
+# endif
+#endif
+
#ifndef VMS_DO_SOCKETS
/* This relies on tricks in perl.h to pick up that these manifest constants
* are undefined and set up conversion routines. It will then redefine
https://perl5.git.perl.org / perl5.git / blobdiff